Published on: Not Yet Published
Last Modified on: 03/16/2023 03:35:00 PM UTC
CVE-2023-27577 - advisory for GHSA-vhm8-wwrf-3gcwSource: Mitre Source: NIST CVE.ORG Print: PDF
Certain versions of Flarum from Flarum contain the following vulnerability:
flarum is a forum software package for building communities. In versions prior to 1.7.0 an admin account which has already been compromised by an attacker may use a vulnerability in the `LESS` parser which can be exploited to read sensitive files on the server through the use of path traversal techniques. An attacker can achieve this by providing an absolute path to a sensitive file in the custom `LESS` setting, which the `LESS` parser will then read. For example, an attacker could use the following code to read the contents of the `/etc/passwd` file on a linux machine. The scope of what files are vulnerable will depend on the permissions given to the running flarum process. The vulnerability has been addressed in version `1.7`. Users should upgrade to this version to mitigate the vulnerability. Users unable to upgrade may mitigate the vulnerability by ensuring that their admin accounts are secured with strong passwords and follow other best practices for account security. Additionally, users can limit the exposure of sensitive files on the server by implementing appropriate file permissions and access controls at the operating system level.
- CVE-2023-27577 has been assigned by [email protected] to track the vulnerability - currently rated as MEDIUM severity.
- Affected Vendor/Software: flarum - framework version = < 1.7.0
CVSS3 Score: 4.9 - MEDIUM
|fix: disallow certain dangerous LESS features · flarum/[email protected] · GitHub|| github.com |
|Path Traversal Vulnerability in `LESS` Parser allows reading of sensitive server files · Advisory · flarum/framework · GitHub|| github.com |
Known Affected Configurations (CPE V2.3)
|@CVEreport||CVE-2023-27577 : flarum is a forum software package for building communities. In versions prior to 1.7.0 an admin a… twitter.com/i/web/status/1…||2023-03-10 21:30:14|